Revenue from Contracts with Customers Disaggregation of Revenue (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Dec. 29, 2018	Dec. 30, 2017	Dec. 29, 2018	Dec. 30, 2017
Disaggregation of Revenue [Line Items]
Revenues	$ 233,700	$ 221,383	$ 721,633	$ 628,706
Factory-built housing
Disaggregation of Revenue [Line Items]
Revenues	220,342	207,183	680,198	587,445
Factory-built housing | HUD Code [Member]
Disaggregation of Revenue [Line Items]
Revenues	174,068		545,071
Factory-built housing | Modular
Disaggregation of Revenue [Line Items]
Revenues	25,698		72,046
Factory-built housing | Park Model RVs
Disaggregation of Revenue [Line Items]
Revenues	10,037		27,743
Factory-built housing | Product and Service, Other
Disaggregation of Revenue [Line Items]
Revenues	10,539		35,338
Financial Services
Disaggregation of Revenue [Line Items]
Revenues	13,358	$ 14,200	41,435	$ 41,261
Financial Services | Insurance Agency Commissions
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Including Assessed Tax	704		1,979
Financial Services | Financial Service, Other
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer, Including Assessed Tax	$ 12,654		$ 39,456